Lag b'Omer

[ lahg boh-mer, buh-oh-mer ]

/ lɑg ˈboʊ mər, bəˈoʊ mɛr /

noun

a Jewish festival celebrated on the 18th day of Iyar, being the 33rd day of the Omer, traditionally in commemoration of the end of the plague that killed Rabbi Akiba's students or of the bravery of Bar Kokba.